Search Google for "Site:printerknowledge.com Canon Service Tool V3400" . Look for a post by a user with more than 500 messages. Download the attached ZIP, scan it, and follow this guide.
This tool is designed to reset ink absorber counters, perform print head cleaning, adjust alignment, and enter service mode on certain Canon printers (e.g., PIXMA MG, MP, MX series). It is not a general-purpose driver or maintenance utility for everyday users.
Search Google for "Site:printerknowledge.com Canon Service Tool V3400" . Look for a post by a user with more than 500 messages. Download the attached ZIP, scan it, and follow this guide.
This tool is designed to reset ink absorber counters, perform print head cleaning, adjust alignment, and enter service mode on certain Canon printers (e.g., PIXMA MG, MP, MX series). It is not a general-purpose driver or maintenance utility for everyday users.